motion: n.1.运动,动,移动(opp. rest)。2.(天体的)运行；(车、船等的)动摇；(机器的)开动,运转；【机械工程】机械装置,机制。3.动作,举动；手势；眼色；姿态；〔pl.〕(个人或团体的)行动,举动,活动。4.(议会中的)提议,动议；动机,意向；刺激；【法律】申请,请求。5.大便；〔pl.〕排泄物。6.【音乐】(旋律、曲调的)变移。短语和例子M- itself is
Example Sentences:
1.
Stretching exercises can improve muscle relaxation , enhance the motion of joints , relax the mind and reduce the risk of muscle soreness and pain 伸展操能放松紧张的肌肉，改善关节活动，松弛神经，减少罹患肌肉痛症的机会。
